Coin-and-slot machine for tool-sharpening



(No Model.) 2 Shets-Shet 1.

. E. G PHILLIPS. 00m AND SLOT MACHINE FOR TOOL SHARPENING.

No. 443,001. v Patented Dec. 16, 1890 1146165565; Inl/aai'br;

'(No Model.) 2 Sheets-Sheet 2.

13.0. PHILLIPS. 00m AND SLOT MACHINE FOR TOOL SHARPENING. No. 443,001.Patented Dec. 16. 1890.

k M l 1 11/ 1/1/10/1/r1/////////////////////// I U ITED STATES ELIVOODC. PHILLIPS,

COIN-AND-SLOT MACHIN OF CHICAGO, ILLINOIS.

E FOR TOOL-SHARPENING.

SPECIFICATION forming part of Letters Patent No. 443,001, dated December16, 1890, A

Application filed August 14:, 1890. Serial No. 361,973. (No model.)

To all whom it may concern:

Be it known that I, ELWOOD O. PHILLIPS, a citizen of the United States,residing at Chicago, in the county of Cook and State of Illinois, haveinvented certain new and useful Improvements in Coin-and Slot Machinesfor Too1=Sharpening5 and I do hereby declare the following to be a full,clear, and exact description of the invention, such as will enableothers skilled in the art to which it appertains to make and use thesame.

The object of this invention is to provide for the automaticpresentation of a knifesharpening stone in position for such use when acoin is dropped in the slot of the machine; also to provide for theautomatic dislodgment of such coin as a result of the act of sharpening,and to insure the withdrawal of the stone from its sharpening positionafter a given amount of use and until another coin is deposited.

In the accompanying drawings, Figure 1 represents a perspective view ofthe casing of the machine embodying my invention. Fig. 2 represents avertical transverse section taken through such machine on the line ofthe center of the stone. Fig, 3 represents a detail view, partly in sideelevation, partly in section, of the ratchet-wheel, belt, andproportionate parts. Figs. 4 and 5 represent longitudinal verticalsections of said machine, taken on opposite sides of the ratchet-wheel;and Fig. 6 represents a horizontal longitudinal section of the same,taken in a plane above said wheel and belt.

A designates the casing which incloses the operative parts of themachine. In one end of the top of this there is a large opening A for aknife-sharpening stone B, of emery or similar material, to protrudethrough when lifted. In the other and taller end of the top of saidcasing is a small slot a for the introduction of a cent or other smallcoin predetermined on. This coin falls through a zigzag passage 0, thewalls of which are attached to said casing on a small endless travelingbelt D, which passes over and turns with small drums E F, mounted in aframe G, attached to one end of a lever H. This lever is pivoted at itsmiddle on standards I, and bears at or near its other end a pivoted armJ, which is rigid with and supports a yoke or base K, re-

ceiving the said sharpening-stone B. The dropping of the coin on saidbelt causes the said lever to lift said sharpeningstone through openingA in position for the knife to be used on it. To regulate this actionexactly, the lever II is provided beyond said stone with ascrew-threaded extension L, on which a screw-tapped weight M isadjustable backward and forward.

A pitman N extends back from the lower end of arm J, which is pivoted inthe middle to an arm 0, loosely mounted on theshaft E of drum E andcarrying a pawl O, which engages a ratchet-wheel P fast (as is also saiddrum) on said shaft. Through these connections the vibration of stone Bduring sharpening gives a step-by-step travel to said belt until thecoin drops oif. The stone continues to remain in position for sharpeningby reason of a notched arm Q, which engages the frame G and prevents itfrom ascending. This arm is, however, provided with a finger R, which isstruck and lifted at each complete rotation of said ratchet-wheel andits shaft by a cam S, fast on the latter. This disengages said notchedarm or catch Q from said frameand the latter is free to ascend, thesharpening-stone descending correspondingly and simultaneously.

Pawl O is provided with a spring 0 for holding it to its work, and apivoted retaining-dog T prevents the backward motion of theratchet-wheel. The sharpening-stone is protected by a glass cover U in aframe V, which is screwed to the top of said casing. Space is leftbetween said frame and said stone for introducing the knife-blade andrubbing it on the latter.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is-

1. A lever bearing a knife-sharpening stone at one end and an attachmentadapted to receive a coin at the other end, in combination with a casinghaving an opening for the protrusion of the stone and a slot for thedropping of the coin, substantially as set forth.

2. A coin-and-slot machine provided with a tool-sharpening device andintervening devices whereby the fall of the coin causes the sharpeningdevice to be moved into position, for the purpose set forth.

3. In combination with a lever and a pivoted arm carried by one endthereof, a sharp cning-stone supported by said arm, an end lesstraveling belt carried by the other end of said lever, a ratchet-Wheelon a shaft which operates the said belt, a pawl on a pivoted armengaging said ratchet, and a pitman extending from the former arm to thelatter, substantially as set forth.

4. A lever and a pivoted sharpener-supporting arm carried by one endthereof, in combination with an endless belt carried by the other end ofsaid lever, a pitman, pawl, and

In testimony whereof I affix my signature in 20 presence of twoWitnesses.

ELWOOD C. PHILLIPS.

Witnesses:

WILLIAM H. BAYLEs, FRED R. HOLMES.

